[Trends in coronary artery bypass surgery results: a recent, 9-year study]. Fragata J. Rev Port Cardiol. 2000 Sep;19(9):939-40. PMID: 11109877
Long-term results of coronary bypass surgery. Pupello DF, Spoto E. J Fla Med Assoc. 1979 Oct;66(10):1044-50. PMID: 315447